Show The Four Bicyclists The circles in the illustration represent represent represent sent four cinder paths Four cyclists started together from the center C p at noon for a run each going goin round and r round ud his his' own own circle Atkins s' s went at ati i L j the rate of six miles an hour Brown BrownI at the rate of of nine miles an hour Cook at twelve miles an hour and Dopper Dapper at fifteen miles an hour They agreed to ride until all should meet together together for for the third time at the center center center cen cen- ter Q Co The rh distance rou round d each circle was a a third of ofa a mile When did they finish their ride |